WDM ethernet passive optical networks

Michael P. McGarry; Martin Reisslein; Martin Maier

doi:10.1109/MCOM.2006.1593545

WDM ethernet passive optical networks

Michael P. McGarry, Martin Reisslein, Martin Maier

Electrical Engineering

Research output: Contribution to journal › Review article › peer-review

177 Scopus citations

Abstract

WDM EPONs not only allow for cautious pay-as-you-grow upgrades of single-channel TDM EPONs but also avoid linearly increasing polling cycle times for an increasing number of ONUs. In this article, we first provide a comprehensive overview of the state-of-the-art of TDM EPONs and recently reported dynamic bandwidth allocation algorithms, including decentralized scheduling schemes. After reviewing previous work on WDM EPONs, we address the requirements of WDM upgraded EPONs and make recommendations on an evolutionary WDM upgrade at the architecture, protocol, and dynamic bandwidth allocation algorithm levels, taking backward compatibility with MPCP and future-proofness against arbitrary WDM ONU structures into account. We describe and compare online and offline scheduling paradigms for WDM EPONs. Our simulation results indicate that online scheduling can achieve lower delays, especially at high loads. We outline areas of future research on WDM EPONs.

Original language	English (US)
Pages (from-to)	S18-S25
Journal	IEEE Communications Magazine
Volume	44
Issue number	2
DOIs	https://doi.org/10.1109/MCOM.2006.1593545
State	Published - Feb 2006

ASJC Scopus subject areas

Computer Science Applications
Computer Networks and Communications
Electrical and Electronic Engineering

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10.1109/MCOM.2006.1593545

Cite this

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title = "WDM ethernet passive optical networks",

abstract = "WDM EPONs not only allow for cautious pay-as-you-grow upgrades of single-channel TDM EPONs but also avoid linearly increasing polling cycle times for an increasing number of ONUs. In this article, we first provide a comprehensive overview of the state-of-the-art of TDM EPONs and recently reported dynamic bandwidth allocation algorithms, including decentralized scheduling schemes. After reviewing previous work on WDM EPONs, we address the requirements of WDM upgraded EPONs and make recommendations on an evolutionary WDM upgrade at the architecture, protocol, and dynamic bandwidth allocation algorithm levels, taking backward compatibility with MPCP and future-proofness against arbitrary WDM ONU structures into account. We describe and compare online and offline scheduling paradigms for WDM EPONs. Our simulation results indicate that online scheduling can achieve lower delays, especially at high loads. We outline areas of future research on WDM EPONs.",

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WDM ethernet passive optical networks

Abstract

ASJC Scopus subject areas

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